745409700 has 216 divisors, whose sum is σ = 2689202880. Its totient is φ = 169171200.

The previous prime is 745409699. The next prime is 745409711. The reversal of 745409700 is 7904547.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1127370 + ... + 1128030.

Almost surely, 2^745409700 is an apocalyptic number.

745409700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745409700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344601440).

745409700 is an abundant number, since it is smaller than the sum of its proper divisors (1943793180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745409700 is a wasteful number, since it uses less digits than its factorization.

745409700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 857 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 745409700 is about 27302.1922196735. The cubic root of 745409700 is about 906.7029178004.

The spelling of 745409700 in words is "seven hundred forty-five million, four hundred nine thousand, seven hundred".